How to flush DNS cache

Mac OSX

• Step 1: Open the Terminal
  • Navigate to Applications -> Utilities -> Terminal
• Step 2: Flush DNS – Type the following command and hit enter. 
  • Mac OS X Yosemite and later
    sudo killall -HUP mDNSResponder
  • Mac OS X Yosemite v10.10 through v10.10.3
    sudo discoveryutil mdnsflushcache
  • Mac OS X Mavericks, Mountain Lion and Lion
    sudo killall -HUP mDNSResponder
  • Mac OS X Snow Leopard
    sudo dscacheutil -flushcache

Windows XP, Vista, 7, 8

• Step 1: Open the Command Prompt
  • Windows XP: Click on the Start Menu and click  Run.Type in cmd and hit enter. 
  • Windows Vista/7: Type cmd in the search bar and hit Enter. 
  • Windows 8: Press Win key (Windows logo key) and X on your keyboard. Click on Command Prompt. 
• Step 2: Flush DNS
  • Type ipconfig /flushdns and hit enter.

Portable Devices

• Step 1: Close the apps
  • Close the app completely. Make sure it is not running in the background as well. 
• Step 2: Restart Wifi
  • Turn off the Wifi on your device and turn it back on.
• Step 3: Open App
  • Open the app again. DNS Cache should be cleared.

iOS Devices

• Press and hold both the Sleep/Wake and Home buttons for at least 10 seconds, until you see the Apple logo.

​TV Devices

• Step 1: Close the apps
  • Close the app completely. Make sure it is not running in the background as well. 
• Step 2: Open App
  • Open the app again. DNS Cache should be cleared.